US Bridges

County RD 760 over Irdd Main Dtch

Good

Stoddard County, Missouri · S 24 T 24 N R 11 E · Structure no. 29121

Built
2002
23 years old
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
250
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 760 over Irdd Main Dtch is a prestressed concrete box beam or girders - multiple carrying County RD 760 over Irdd Main Dtch in Stoddard County, Missouri. It was built in 2002, so it is 23 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 250 vehicles a day, roughly 10% of them trucks, projected to reach 325 by 2043. The structure is 62 ft (18.8 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty RD 760
CrossesIrdd Main Dtch
LocationS 24 T 24 N R 11 E
RouteCounty Highway 228
Coordinates36.71499, -89.85386
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.4 US tons
Inventory rating43.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length62 ft (18.8 m)
Longest span61 ft (18.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic325 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 760 over Irdd Main Dtch built?

It was built in 2002, making it 23 years old in 2025.

What condition is County RD 760 over Irdd Main Dtch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does County RD 760 over Irdd Main Dtch carry?

About 250 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 760 over Irdd Main Dtch?

The structure is 62 ft (18.8 m) long with a longest span of 61 ft (18.6 m) and a deck 24 ft wide.

Who owns County RD 760 over Irdd Main Dtch?

It is owned by the County Highway Agency.